Hello, I'm from Portugal,
I have a Mazda 3 1.4L petrol and now appeared a fault, P0610 I checked the OBD2 ELM327 Bluetooth.
the error indicates problems emc / checsum.
Eg if someone can guide me, help me should I do to try to overcome the situation, I was very grateful.

I'm new on this...

I need to buy any hardware? software?

Thanks a lot
Best Regards